I am new to web design and development in PHP. I know how some code works and other codes I have no idea about. I was just wondering if anyone could explain to me in a general or board term, what each of the below codes do so I can get an understanding of them. A simple and clear explanation is fine I am not looking for detailed definitions or examples. Thank you.
$result = mysqli_query($connection,$query);
$num_rows = mysqli_num_rows($result);
$row[]=mysqli_fetch_array($result);
(mysqli_query($connection,$query)
$row_count = mysqli_num_rows($result);
if($row_count > 0){
$count=mysqli_num_rows($result);
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